Possible Clues:

• Pregame fixture
• How the man gets confused about the singing
• Part of a pregame ceremony
• Frolicking, then, in the morning air
• Worker with a bit of a cough may be heard in church
• Six-footer on the Border for music
• The man that's rearranged the song
• If obsolete, it's they that make the Border sound regilious
• You may have to stand for it
• Key's went national